HK51988A - Directionally imaged sheeting - Google Patents

Directionally imaged sheeting

Info

Publication number
HK51988A
HK51988A HK519/88A HK51988A HK51988A HK 51988 A HK51988 A HK 51988A HK 519/88 A HK519/88 A HK 519/88A HK 51988 A HK51988 A HK 51988A HK 51988 A HK51988 A HK 51988A
Authority
HK
Hong Kong
Prior art keywords
sheeting
layer
openings
transparent
back surface
Prior art date
Application number
HK519/88A
Other languages
German (de)
English (en)
French (fr)
Inventor
Eric N. Hockert
Thomas I. Bradshaw
Bruce D. Orensteen
Frank A. Borgeson
Original Assignee
Minnesota Mining And Manufacturing Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining And Manufacturing Company filed Critical Minnesota Mining And Manufacturing Company
Publication of HK51988A publication Critical patent/HK51988A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/126—Reflex reflectors including curved refracting surface
    • G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Toys (AREA)
HK519/88A 1983-02-07 1988-07-07 Directionally imaged sheeting HK51988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/464,627 US4634220A (en) 1983-02-07 1983-02-07 Directionally imaged sheeting

Publications (1)

Publication Number Publication Date
HK51988A true HK51988A (en) 1988-07-15

Family

ID=23844661

Family Applications (1)

Application Number Title Priority Date Filing Date
HK519/88A HK51988A (en) 1983-02-07 1988-07-07 Directionally imaged sheeting

Country Status (24)

Country Link
US (1) US4634220A (en, 2012)
EP (1) EP0118222B1 (en, 2012)
JP (1) JPH0664206B2 (en, 2012)
KR (1) KR900005737B1 (en, 2012)
AU (1) AU560077B2 (en, 2012)
BR (1) BR8400502A (en, 2012)
CA (1) CA1242580A (en, 2012)
DE (1) DE3467421D1 (en, 2012)
DK (1) DK159340C (en, 2012)
EG (1) EG16737A (en, 2012)
ES (1) ES529445A0 (en, 2012)
FI (1) FI82313C (en, 2012)
GR (1) GR81652B (en, 2012)
HK (1) HK51988A (en, 2012)
IE (1) IE54919B1 (en, 2012)
IL (1) IL70876A (en, 2012)
IN (1) IN163853B (en, 2012)
MX (1) MX159579A (en, 2012)
NO (1) NO167238C (en, 2012)
NZ (1) NZ207034A (en, 2012)
PH (1) PH21487A (en, 2012)
PT (1) PT78069B (en, 2012)
SU (1) SU1314965A3 (en, 2012)
ZA (1) ZA84871B (en, 2012)

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US20080027199A1 (en) 2006-07-28 2008-01-31 3M Innovative Properties Company Shape memory polymer articles with a microstructured surface
US7586685B2 (en) * 2006-07-28 2009-09-08 Dunn Douglas S Microlens sheeting with floating image using a shape memory material
US7951319B2 (en) * 2006-07-28 2011-05-31 3M Innovative Properties Company Methods for changing the shape of a surface of a shape memory polymer article
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Also Published As

Publication number Publication date
PT78069B (en) 1986-04-17
DE3467421D1 (en) 1987-12-17
NZ207034A (en) 1985-11-08
PT78069A (en) 1984-03-01
AU560077B2 (en) 1987-03-26
PH21487A (en) 1987-11-10
GR81652B (en, 2012) 1984-12-12
ES8501150A1 (es) 1984-11-01
NO167238C (no) 1991-10-16
FI840476A0 (fi) 1984-02-06
DK159340C (da) 1991-03-04
FI82313C (fi) 1991-02-11
SU1314965A3 (ru) 1987-05-30
KR840008061A (ko) 1984-12-12
KR900005737B1 (ko) 1990-08-09
DK159340B (da) 1990-10-01
IE54919B1 (en) 1990-03-14
BR8400502A (pt) 1984-09-11
EP0118222A1 (en) 1984-09-12
IN163853B (en, 2012) 1988-11-26
JPS59148004A (ja) 1984-08-24
JPH0664206B2 (ja) 1994-08-22
US4634220A (en) 1987-01-06
ES529445A0 (es) 1984-11-01
EG16737A (en) 1991-08-30
EP0118222B1 (en) 1987-11-11
DK49884D0 (da) 1984-02-03
ZA84871B (en) 1985-09-25
IE840271L (en) 1984-08-07
IL70876A (en) 1987-11-30
DK49884A (da) 1984-08-08
FI82313B (fi) 1990-10-31
IL70876A0 (en) 1984-05-31
MX159579A (es) 1989-07-06
CA1242580A (en) 1988-10-04
NO167238B (no) 1991-07-08
AU2421384A (en) 1984-08-16
FI840476L (fi) 1984-08-08
NO840413L (no) 1984-08-08

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Legal Events

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